125145315132 has 12 divisors (see below), whose sum is σ = 292005735336. Its totient is φ = 41715105040.

The previous prime is 125145315107. The next prime is 125145315167. The reversal of 125145315132 is 231513541521.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×125145315132² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 125145315093 and 125145315102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5214388119 + ... + 5214388142.

It is an arithmetic number, because the mean of its divisors is an integer number (24333811278).

Almost surely, 2^125145315132 is an apocalyptic number.

125145315132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

125145315132 is an abundant number, since it is smaller than the sum of its proper divisors (166860420204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

125145315132 is a wasteful number, since it uses less digits than its factorization.

125145315132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10428776268 (or 10428776266 counting only the distinct ones).

The product of its digits is 18000, while the sum is 33.

Adding to 125145315132 its reverse (231513541521), we get a palindrome (356658856653).

The spelling of 125145315132 in words is "one hundred twenty-five billion, one hundred forty-five million, three hundred fifteen thousand, one hundred thirty-two".